(If using the default MonoBook skin, you will need to uncomment the line "$this->text( 'debug' );" in MonoBook.php)

Other examples of using $wgOut:

$wgOut->setPageTitle(wfMsg('loginsuccesstitle'));$wgOut->setRobotpolicy('noindex,nofollow');$wgOut->setArticleRelated(false);$wgOut->addWikiText($msg);$wgOut->addWikiMsg('descriptionpage');$wgOut->addHTML('<script src="/w/index.php?title=User:Example&amp;action=raw"></script>');$wgOut->getPageTitle();// Get all categories of the current page: $title=Title::newFromText($wgOut->getPageTitle());$title->getParentCategories();// Perform a 302 redirect to the same page with a parameter added to the query string:$wgOut->redirect($this->getTitle()->getLocalUrl("foo=$bar"));